Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-A
TLE Epoch: 2019 1 21.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  METOP-A Lat/Lon    Distance(km)  Time Diff(sec)
 01/22/2019   17:43:47   (  -0.03,-127.90) (   0.03,-128.12)   25.84                80
 01/25/2019   05:42:01   (   0.02,-127.85) (   0.06,-127.73)   14.10                80
 01/27/2019   17:42:45   (  -0.02,-127.70) (  -0.11,-127.28)   47.92                80
 01/29/2019   06:01:41   (   0.01,-127.69) (  -0.94,-131.87)  476.93                80
 01/30/2019   05:38:19   (   0.02,-127.65) (   0.21,-126.88)   87.39                80
 01/31/2019   17:57:07   (  -0.01,-127.53) (   0.84,-131.44)  445.49                80
 02/01/2019   17:39:04   (  -0.01,-127.48) (  -0.26,-126.44)  119.22                80
 02/03/2019   05:57:59   (   0.01,-127.47) (  -0.79,-131.03)  405.75                80
 02/04/2019   05:34:37   (   0.01,-127.42) (   0.30,-126.03)  158.21                80